Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
4231
If you see a file named "setup.exe", what is its most likely purpose?
Answer:
It's an executable file, likely an installer.
The ".exe" extension stands for "executable" and is used for programs that can be run on a computer. "setup.exe" is a common name for installation programs.
4232
Which file extension is commonly associated with Microsoft Word documents created in recent versions (2007 and later)?
Answer:
.docx
Modern Microsoft Word documents, starting with the 2007 version and subsequent releases, utilize the '.docx' file extension. This format is based on the Office Open XML standard, offering improved features and a more efficient file structure compared to its predecessor. While '.doc' was the standard for older Word versions (prior to 2007), '.docx' is now the prevalent and default format. Options '.txt' is for plain text, '.pdf' is for Portable Document Format, and '.xlsx' is for Microsoft Excel spreadsheets.
4233
What does the ".iso" file extension represent?
Answer:
A disk image of an optical disc like a CD or DVD
An ".iso" file is an archive file that contains a complete copy (or image) of all the data on an optical disc, sector by sector.
4234
On a non-case-sensitive file system like Windows, how would the OS handle a request to create "test.txt" if a file named "Test.txt" already exists?
Answer:
It would treat them as the same file and likely ask to overwrite the existing one
Since Windows is case-insensitive, it considers "test.txt" and "Test.txt" to be the same file name. The operation would target the existing file.
4235
The `.7z` file extension is associated with which compression program?
Answer:
7-Zip
`.7z` is the native format for the 7-Zip archiver, a free and open-source program known for its very high compression ratios.
4236
In an MS Word database file, the file name cannot contain:
Answer:
Space
Spaces in database file names are often disallowed to prevent compatibility issues.
4237
What is the difference between "copy" and "move"?
Answer:
"Copy" creates a duplicate in a new location, while "move" relocates the original.
A copy operation results in two identical files in different locations. A move operation results in the original file being in a new location.
4238
What is a "self-extracting archive"?
Answer:
A compressed file that is also an executable program, allowing it to be extracted without needing separate software.
A self-extracting archive is a compressed file that has been bundled with a small program that handles the decompression. This is convenient because the recipient does not need to have a specific compression utility installed to open the archive.
4239
What is the process of "extracting" a compressed file?
Answer:
Decompressing the file to restore it to its original size and format.
Extraction, also known as decompression, is the process of reversing the compression. The compressed data is processed to recreate the original file or files in their uncompressed state.
4240
Dragging a file from one folder to another on the *same* hard drive will typically perform which operation?
Answer:
Move
When dragging and dropping within the same volume, the default behavior is to move the file, as this is a faster operation that doesn't require duplicating data.